Paper-box machinery



Jul 22, 1924. I

' I. A. WATROUS PAPER BOX MACHINERY 16. 1923 4 Sheeis-Sheet 1 MHFTFI Filed Nov.

Q mlw m 1 MM M m W 3532229 I. WATROUS PAPER iaox MACHINERY Filed Nov. 6, 1923 4 Sheets-Sheet 2 INVENTOR Isaac .4. hzfrow 4 2 g ll 2 2 I, A. WATROUS- PAPER Box MACHINERY 4 Sheets-Shed 5 Filed Npv. 16, 1923 v I INVENTOR [saga 4 fi/airoua.

ATTORNEY 22. m4. Emma.

' B. A. WATROUS PAPER BOX MACHINERY Filed Nov. 1923 4 she ts sheet 4 INVENTOR jOOC h/afroas.

ATTORNEY Patented July 22, 1924..

ISAAC ALLEN WATROUS, OF BRIDGEPO RT, CONNECTICUT, ASSIGNOR TO UNION PAPER COMPANY, 91? NEW YORK, N- Y., A G'OBPOB-ATION OF NEW YO'RK.

PAPER 'BOX armament.

Application filed November 16, 1923. Serial No 675,097.

To all whom it may concern Be it known that I, ISAAC ALLEN VVATROUS, a citizen of the United States of America, residing at 305 E. Washington Avenue, Bridgeport, Connecticut, have invented new and useful Improvements in PapenBox Ma chinery, of which the following is a specificatio'n.

My invention relates to machines for the making of paper boxes, cans, and the like, and has for itsprincipalobject the provision of mechanism for applying the caps or heads to the box'or can bodies. More particularly, the objects of my invention are to provide means for receiving the tubes or boir bodies in a magazine from a source of supply, and

delivering them as needed to the capping mechanism; and for similarly receiving the caps and delivering them from a magazine to the capping mechanism; effecting tl e application of the caps to the can bodies, and dclivering the finished product, with the caps pressed home, and if desired glued in place, all automatically and with precision, and at a rapid rate. A further object is to provide a machine of thisltype which inav bv adjustment or slight interchange of pai ts be Figure 1 is an elevation of the ina'cliine frpm the delivery end; 7 I

F1gure2 1S'2L vertical, longitudinal sec-j tion taken approximately on the center line of'Fig. '1, looking to the right; I

Figure '3 is a detail section taken approximately on the line 33 of Figure 2, looking in the direction of the arrows Figure 4 is a detailed plan View of the cams 3 and plunger 2 showing in part how a can body engages thecaps; and

Figure 5 is a detail showing substantiallythe same parts as Figure 4:, in approximately central vertical longitudinal section.

Referring to these drawings, the machine comprises a frame 1 upon which is mounted a reciprocal plunger 2 adapted to receive a can body andpropel it into engagement with a pair of caps B, carrying the caps B along between guide-plates or cam plates 3 and ej I cting the can with caps applied from the machine. 1 g Thecan bodies are fed from a suitable magazine or chute 4 wherejthey travel under, the influence of, gravity to the position Al being held from further movement by the stop gate 5, which is simply a weighted member pivoted at 6 to a suitable part of the machine. to be later described. Carried by the plunger 2, so as to reciprocate therewith,

is a suitablerod 7 which is drawn back out of the way behind the tube which falls into the position A when the plunger is withdrawn to the back of its stroke, as shown in dot and dash lines. The rod 7 presses against the can in the position A on the forward stroke of the plunger 2, and carries the can to the position A from which the can is carried downward by the glue rollers 8, pass ing on downward until it rests upon the flat top of the plunger 2, in the position A where it remains until the next backward stroke of the plunger, and as soon as the plunger has withdrawn from beneath the can body A, i

it drops down to its position A in front of the plunger and ready to be engaged thereby on the next forward stroke. v

The caps are delivered by suitable means to, the capmagazines 9 which deliver a cap B at each side of the path to be taken by the body A when forced forward by the plunger 2, these caps resting with their flat surfaces against the cam plates 3, so held. by suitable means to be ,ClBSCTlbECl.

(Fig. 4.) The position of themagazines 9, and their angle with respect to the direction of movement of the can bodies,iare such that the caps B are delivered with the forward parts of their flanges projecting inward into the line of travel of the can body, so that on forward operationof the plunger the can body en gages the forward end of the caps, carrying them forward between the cam plates 3, per, mitting the latter to force the caps over and Onto the end at aw o y- To go more into detail, the chute or magazine for the can bodies is supported upon suitable uprights 10, which serve as end guide-plates during thedescent of the can bodies from the chute to a horizontal platform 11. The upper ends of these uprights are formed with a suitable flange 12 arranged at an angle of approximately 45 to the vertical, and upon these flanges by a suitable clamp 13 there is held a plate 14 at such an angle as to be approximately parallel with the chute to prevent the can bodies from buckling one upon the other'a-t the end of the chute; this plate having a downwardly projecting portion 15 adapted to stop the travel of the can bodies down the chute and direct them downwardly toward the platform 11. The stop gate is preferably mounted upon this portion of the said plate 14. Thus when tubes of larger or smaller diameter are to. be operatedqupon, the plate 14 may be adjusted upwardly or downwardly upon the said inclined flange 12, the incline being such that the distance between the said plate 14 and the chute 4 will always be approximately the same as the distance between the portion 15 of'the plate andthe opposed vertical wall- 16 at the end of the chute, between which parts 15 and 16 the can bodies de scend, a single adjustment thus sutficing to control the passage of bodies of different sizes, and the adjustment at the same time bringing the stop gate 5 into proper positionfor whatever size can body the machine is set. i v

The rod 7 for moving the can bodies one by one along the platform may need to be adjusted for different sized bodies; and this may be effected by supporting it by means of a suitable clamp 17 and set screw 18 upon a vertical rod 19 carried by the arm 20 suitably secured to the plunger 2.

The gluing mechainsm is substantially that in common use for similar purposes,

comprising a container or water jacket 21 to which heat may be applied, as by a gas burner 22 and a glue pan 23 suitably supported in said container, having a roller 24 mounted for rotation in the glue and hav ing the upper part of the roller projecting therefrom and in contact with a second roller 8 for taking sufficient glue from the first roller and applying it to the ends of the can body A as it descends from the position to the position A The first glue roller 24 is preferably driven by suitable positive means, such as a belt 25 from the drive shaft 26 which drives the wheel 27 mounted upon the shaft 28 carrying a worm 29 in mesh with the worm wheel 30 which is mounted upon the shaft 31 carrying the first glue roller 24. The second glue roller 8 derives its motion from the first, and applies a downward frictional force to the can body bodies if desired, the second set of gluing rollers being driven from the first by means of another worm 31 upon the same shaft meshing with a second worm wheel 32, upon the shaft 33 of the first glue roller 24 of the other set; In order to prevent the walls of the machine from rubbing the glue from the boxes,or becoming clogged up eventually by the glue, guide wires 34 are provided against which the ends of the-tubes anay travel during their downward progress, and

similar wires 35 for the forwardprogress up to the point of application of the caps;

The mechanism for reciprocating the plunger 2 upon theways 44 maybe any type desired. As shown in the drawing,- thismechanism comprises'a link 36-pivoted to the frame let one end, and having a link 3? connecting the other end with a depending portion 38 of the plunger 2, a connecting rod 39 running from the middle of thesaid link to a crank 40 driven from a shaft 41 upon the operation of a suitable clutch. Power is received from a driven wheel mounted on the shaft 26 carrying a pinion 61 in mesh with the gear wheel 62 on the shaft 41 and connected therewith through the said clutch. As shown in the drawing, the plunger is preferably actuated from a foot treadle which pulls-the rod 42, and a toggle joint 43 may be interposed to prevent accidental operation. of the clutch. The exact form of clutch and driving mechanism is not however material,

but it is desirable to provide a mechanism 'whichcan be brought into operation by the throwing of a lever, and similarly, stopped at any time.

When the plunger 2 stroketo the position shown in dot and dash lines in Fig. 2, and a can body has dropped downward from the glue rollers'and from its position A upon top of the, plunger to its position A in front of the plunger and between the cams'3, the plunger starts forward and engages the can body, which is held away from the cam plates 3 by suit-able wires 35 to prevent the glue from sticking to the cam plates, and as the plunger moves forward the can body is brought against a depending weighted arm or arms 45, mounted has completed a backon a. shaft 46, which serves to hold the can body snugly into the recessed portion of the plunger 47, this depending arm 45 being lifted up out of the way to the position shown in dot-and-dash lines (Fig 5) as the plunger advances and engages the caps 13 theinapfs. arezfldeliveredjhy the inagazines 9' are; dispose fingers; 4 9 against whi h the capsiiiejpiashedlafi"theyarejadvanced"by th'e can xzbody nwhich iserve, tjoi info mant caps" agaiiist the body and tojjensurefth'e'rear ends of thecaps being forced over the ends of the" can .fbody zasL theyfadvan'ce. These 1 fingers are;.'m'oufited jupon shafts '52 having external arm.153',;andi araheldiyieldinglyin position .by;f:'suitable springs 5Q which cause them" to return "tof'theirjpositions after a can has the passed, theposition being determined by arms.53 strikingrsuitable lstops"51; I

The depending arm45 "sheld 'pward by the plunger, uponpwhich it rests while the forward,strokeis being finished; and at the start ofthelreturn stroke; mans the plun ems withdrawn the dep'ending arm returns to -its,;,normalposition, bywgravity; and under the influence of a springg63 attached to an arm 6.4: fixed to the shaft e6. Upon'this depending arm or armsf45 is mounted a suitableplate or plates54. As soon as'a 'can ward portion thereof; cam surfaces between which said box" is advanced; adapted'to press the caps upon the ends of the bOX';"

body has taken a pair of caps out ofthe' way, a further pair ,of Leaps is delivered by the cap magazines 9 'at' the sides of the plunger in -therecesses '55 of thegcam plates 3,1 and:

theseicaps are: prevented from" falling from their delivered-position into the channel or spacebetween the cam plates by the presence of the plunger; andflupon the Withdrawal of the plu'n'ger,by theplates 54 upon said de-' ates A38 serving to;

plunger, the itself being composed of two separate corresponding parts, in

dica-ted in the drawings ('see'FigLe).

' Thus, to adjust for cans "of different 7.

lengths, it is simply necessary to loosen'set" vscre vs landslide the mounted" upon the V i 'lI'IOUSSllfiflSOI rods to-the'left of thecen ter 11m with the, other accessories, as the gluing-mechanism, which remain in fixed relation theretog to the left to the desired extent; Y

Iirorder to effect the'adjustment for diameter"of"'cans, it'is necessary to adjust the plate s14 on thefcan feedmagazine t', and to take off the "capmagaz'ines 9'andreplacefthenr by magazlnes of suitable-size, andto replace the forward recesse-s'carryjing portion 'of th'e pending member, which remain'iin position" across] the: front of the'caps "and prevent them; from becoming displaced "until the plungeragain comesforward'; f

lnzhuildingwthis machine, order that it maygb'eliusefulupon cansof different diame plunger by a similar portion having a recess" 47 of'suitable radius.

In the foregoing description of the 'vari-- ous'parts', the operation of the device, which) is comparatively simple, has been fully Having now' described my invention I claim and desire to secure by Letters" Patent 1 A machine for applying caps tothe ends of paperboxe's compr sing means for" propelling the box body in a direction at angle to the axis of the box to permit of the box passing the rearward portion of the flange of the eap and' engagi'ng the for and spring'plate meansfor pressing the" caps home."

'2. A machine for applying caps to the ends of paper boxes comprising a pail-of cam plates substantially parallel and spaced apart the lengthiofa box, and having opposedrecesses having their walls inclined to meet the surfaces of said cam plates at the forward ends of the recesses; a recipro'" "eating plunger adapted to carry a box body through between saidj 'camplate's, and means 'for feeding caps to said recesses to beengaged by the box body and affixed to the" ters and 'difierenti 'lengths, the machine" is? made/ in two "sections, whichv may be bodily separatedione from the othergg'upon :th'e:

frameefiQne :?Of the; sections is preferably 58; 59a theemanng mechanism for the ma hin ;and iip'enme ods 11 nixed positionnpon the frame; I htahandfsectiion Fig; ,1; and the; v v sectiomjb'eingal'l olftheparts'rex ,he;.-'f1"ame itself to" the, left'pf the center line ,bf theica-n'; magazine 4;theplunger and *en'ds'thereof on forward m'ovemehtof said plunger.

am a machine as in claim 2, rollers adapted and arranged to applyglueto the ends of the hox body; and toadvance thef box body into the path of said plunger.""

4. In a machine for applying 'caps t o the ends of paperboxes "including a plunger,"

'means' for feeding the boxes' to the plunger "comprising an inclined chute, an abutment at the fo otthereof to direct? the boxes down- "weirdly? et-fermto' "receive the? boxesf-af O yieldable stop gate to prevent a box on reaching the platform from moving thereon, means to advance a single box along said platform past said gate over the edge of the platform. and driven rollers to receive said box and carry the same downwardly to drop in position in front of said plunger.

5. In a machine for applying caps to the ends of paper boxes including a plunger, means for feeding the boxes to the plunger comprising an inclined chute, an abutment at the foot thereof to direct the boxes downwardly, a platform to receive the boxes, a yieldable stop gate mounted on said abutment and depending therefrom to prevent a box on reaching the platform from moving thereon, means to advance a single box along said platform past said gate over the edge of the platform, and driven rollers to receive said box and carry the same downwardly to drop in position in front of said plunger.

6. In a machine for applying caps to the ends of paper boxes including a plunger, means for feeding the boxes to the plunger comprising an inclined chute, terminating in a downwardlyextending guide wall; a plate having one portion substantially vertical and the other portion substantially parallel to the incline of the chute, adjust,

able angularly toward the bottom of the chute to maintain by a single adjustment the distance between the plate and the chute and the vertical portion of the plate and said downwardly extending guide wall, substan tially the same for whatever size box the machine is set; a platform to receive the boxes, a yieldable stop gate to prevent a box on reaching the platform from moving thereon, means to advance a single box along said platform past said gate to the edge of the platform, and driven rollers to receive said box and carry the same downwardly to drop'in position in front of said plunger. I

7. In a machine for applying caps to the ends of paper boxes including a plunger, means for feeding the boxes to the plunger comprising an inclined chute, an'abutment at the foot thereof to direct the boxes downwardly, means to prevent the boxes from iling up at the end of the chute, a platorm to receive the boxes, a yieldable stop gate mounted on said abutment and depending therefrom to prevent a box on reaching the platform from moving thereon, means to advance a single box along said platform past said gate over the edge of the platform, and driven rollers to receive said box and carry the same downwardly to drop in position in front of said plunger.

8. In a machine for applying caps to the ends of paper boxes including a plunger, means for feeding the boxes to the plunger comprising an inclined chute, an abutment at the foot thereof to direct the boxes down-,

wardly, a platform to receive the boxes, ai

yieldable stop gate to prevent afbox on reaching the platform from movingthereon, means to advance a single box along said platform past said gate ,over the edge of the platform, driven glue rollers to receive said box and carry the same downwardly to drop in position in front of said plunger,

and wire guides for the ends of saidboxes applying caps to the the box body and affixed to the-ends thereof on forward movement of said plunger, and

yielding means for maintaining the ,boX

body in the said recess of the plunger to ensure accurate engagement of the box with the caps.

cam plates substantially parallel and spaced achine for ap i g ap to h 9 ends of paper boxes comprlsmg a pair of apart the length of the box, and having opposed recesses having their walls inclined to meet the surfaces of said cam plates at the forward ends of the recesses, a reciprocating plunger adapted to carry a box body through between said cam plates, said plunger having a recessed portion for the reception of the box body, means for feeding said caps to said recesses to be engaged by the box body and affixed to the ends thereof on forward movement of said plunger, and a hinged depending arm for maintaining the box body in the said recess of the plunger I to ensure accurate engagement of the box with the caps. i

11. A machine for applying caps to the 1 ends of paper boxes comprising a pair of cam plates substantially-parallel and spaced apart the length of the box, and having opposed recesses having their walls inclined to meet the surfaces of said cam plates. at the forward ends of the recesses, a reciprocating plunger adapted to carry a box body through between said cam plates, said plunger having a recessed portion. for the reception of the box body, means for feeding said caps to said recesses to be engaged c by the box body and affixed to the ends thereof on forward movement of said plunger, and a hinged depending armfor maintaining the box body in the said recess of the plunger to ensure accurate engagementrof the box with the caps, saidarm having a portion projecting forwardly therefrom and adapted when in normal position to prevent the caps ready for engagement from falling into the plunger channel.

12. In a machine for applying caps to the ends of paper boxes, the combination comprising cam, plates, a reciprocating plunger for carrying a box body through between said cam plates, a magazine for feeding the box bodies to said plunger, magazines associated with said cam plates for feeding caps thereto, said plunger and box body magazine being divided and the portions movable with their associated parts transversely on adjusting the cam plates toward or away from each other to enable the machine to act upon boxes of different lengths.

13. In a machine for applying caps to the ends of paper boxes, the combination comprising cam plates, a reciprocating plunger for carrying a box body through between said cam plates, a magazine for feeding the box bodies to said plunger, and magazines associated with said cam plates for feeding caps thereto, the cap magazines being replaceable by interchangeable magazines for caps of different diameters.

14. In a machine for applying caps to the ends of paper boxes, the combination comprising cam plates, a reciprocating plunger for carrying a box body through between said cam plates, a magazine for feeding the box bodies to said plunger, and magazines associated with said cam plates for feeding caps thereto, the cap magazines being re: placeable by interchangeable magazines for caps of different diameters, and the portion of the plunger carrying said recess being replaceable for box bodies of different diameters.

15. In a machine for applying caps to th ends of paper boxes, the combination comprising means for feeding the boxes to the plunger comprising an inclined chute, an abutment at the foot thereof to direct boxes downwardly, a buckling plate to prevent boxes from piling up at the end of the chute, a platform to receive the boxes, a yieldable stop gate mounted on said abutment and depending therefrom, to prevent a box on reaching the platform from moving thereon, the abutment and buckling plate being adjustable on an angle of approximately for different diameters of boxes, and to bring the stop gate into operative position for whatever size box.

16. In a machine for applying caps to the ends of paper boxes, the combination comprising a reciprocable plunger adapted to carry a box body through the machine, means for feeding a box body to said plunger at each reciprocation thereof,'means for feed-. ing the caps for each box, a source of power, glue rollers continuously driven from said source of power, means for transmitting power to said plunger, and a clutch included in said latter means to stop the plunger without shutting down the machine.

In testimony whereof I have signed my name to this specification.

ISAAC ALLEN WATROUS. 

